.content{
    margin-bottom: 40px;
}
.content .fl{
    width: 208px;
    border:1px solid #d9d9d9;
    padding-top: 20px;
    border-bottom: 0;
}
.content .fl .nav_tit{
    background-color: #d6f188;
    font-family: tahoma, arial, 'Hiragino Sans GB', '\5FAE\8F6F\96C5\9ED1', sans-serif;
    font-weight: bold;
    line-height: 40px;
    position: relative;
    height: 40px;
    padding: 0 0 0 50px;
    color: #585858;
    font-size: 14px;
}
.content .fl .nav_tit b{
    position: absolute;
    top: 0;
    left: -10px;
    display: block;
    width: 51px;
    height: 50px;
    background-image: url(http://i.huasongwang.com/i/c/icon_help.png);
    background-repeat: no-repeat;
}

.content .fl .son .tit{
    color: #585657;
}
.content .fr{
    width: 970px;
    border: 1px solid #d9d9d9;
    padding-top: 20px;
}
.content .fr .tit {
    font-family: tahoma, arial, 'Hiragino Sans GB', '\5FAE\8F6F\96C5\9ED1', sans-serif;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    color: #767678;
    padding: 20px 20px 30px 20px;
    border-bottom: 1px solid #e6e6e6;
}
.content .fr .default{
    background: #FFF;
    display: block;
    margin-bottom: 10px;

    line-height: 30px;
    padding: 20px 20px;
}
.content .fl .son  .nav_son {
    font-family: tahoma, arial, 'Hiragino Sans GB', '\5FAE\8F6F\96C5\9ED1', sans-serif;
    font-size: 14px;
    font-weight: bold;
    display: block;
    padding: 10px 0 10px 24px;
    color: #585657;
    border-bottom: 1px solid #d9d9d9;
}

.content .fl .son  .nav_son li a{
    font-size: 12px;
    line-height: 24px;
    display: block;
    margin-left: 28px;
    color: #7e7e80;
    font-weight: normal;
}
.content .fl .son  .nav_son li a:hover {
    color: #ff6a00;
}
.content .fl .son  .nav_son li a.curr {
    color: #ff6a00;
}